package com.voice.call.utils;

import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

/**
 * HTTP 请求工具类
 */
public class HttpsUtil {
    private static PoolingHttpClientConnectionManager connMgr;
    private static RequestConfig requestConfig;
    private static final int MAX_TIMEOUT = 40000;

    static {
        // 设置连接池
        connMgr = new PoolingHttpClientConnectionManager();
        // 设置连接池大小
        connMgr.setMaxTotal(100);
        connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());
        RequestConfig.Builder configBuilder = RequestConfig.custom();
        // 设置连接超时
        configBuilder.setConnectTimeout(MAX_TIMEOUT);
        // 设置读取超时
        configBuilder.setSocketTimeout(MAX_TIMEOUT);
        // 设置从连接池获取连接实例的超时
        configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
        // 在提交请求之前 测试连接是否可用
        //configBuilder.setStaleConnectionCheckEnabled(true);
        //configBuilder.set
        requestConfig = configBuilder.build();
    }

    /**
     * 发送 GET 请求（HTTP），不带输入数据
     * @param url
     * @return
     */
    public static String doGet(String url) {
        return doGet(url, null,new HashMap<String, Object>());
    }
    
    public static String doGet(String url , Map<String,String> headers) {
        return doGet(url, headers,new HashMap<String, Object>());
    }
    
    /**
     * 发送 SSL GET 请求（HTTPS）
     * @param apiUrl     API接口URL
     * @param headerMap  头设置
     * @return
     */
    public static String doGetCloseableHttpSSL(String apiUrl,Map<String, String> headerMap) {
        CloseableHttpClient httpClient = SslHttpClientBuild();
        HttpGet httpPost = new HttpGet(apiUrl);
        if(headerMap!=null && !headerMap.isEmpty()){
            for(String header:headerMap.keySet()){
                httpPost.addHeader(header, headerMap.get(header));
            }
        }
        CloseableHttpResponse response = null;
        String httpStr = null;
        try {
            httpPost.setConfig(requestConfig);
            //StringEntity stringEntity = new StringEntity(reqBody,"UTF-8");//解决中文乱码问题
            //stringEntity.setContentEncoding("UTF-8");
//            stringEntity.setContentType("application/xml");
            //httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            System.out.println("执行状态码 : " + statusCode);
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                    httpPost.releaseConnection();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 GET 请求（HTTP），K-V形式
     * @param url
     * @param params
     * @return
     */
    public static String doGet(String url , Map<String, String> headerMap, Map<String, Object> params) {
        String apiUrl = url;
        StringBuffer param = new StringBuffer();
        int i = 0;
        for (String key : params.keySet()) {
            if (i == 0)
                param.append("?");
            else
                param.append("&");
            param.append(key).append("=").append(params.get(key));
            i++;
        }
        apiUrl += param;
        String result = null;
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        try {
            HttpGet httpGet = new HttpGet(apiUrl);
            if(headerMap!=null && !headerMap.isEmpty()){
                for(String header:headerMap.keySet()){
                    httpGet.addHeader(header, headerMap.get(header));
                }
            }
            HttpResponse response = httpClient.execute(httpGet);
            
            int statusCode = response.getStatusLine().getStatusCode();
            
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }
    
    /**
     * 发送 POST 请求（HTTP），不带输入数据
     * @param apiUrl
     * @return
     */
    public static String doPost(String apiUrl) {
        return doPost(apiUrl, new HashMap<String, Object>());
    }

    /**
     * 发送 POST 请求（HTTP），K-V形式
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPost(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            List<NameValuePair> pairList = new ArrayList<>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));
            response = httpClient.execute(httpPost);
            System.out.println(response.toString());
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    public static String doPost(String apiUrl, Map<String, String> headerMap, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.createDefault();;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            if(headerMap!=null && !headerMap.isEmpty()){
                for(String header:headerMap.keySet()){
                    httpPost.addHeader(header, headerMap.get(header));
                }
            }
            List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }
    
    
    public static String doPost(String apiUrl,Map<String,String> headerMap, Object json) {
    	
    	 CloseableHttpClient httpClient = HttpClients.createDefault();
         String httpStr = null;
         HttpPost httpPost = new HttpPost(apiUrl);
         CloseableHttpResponse response = null;

         try {
             httpPost.setConfig(requestConfig);
             
             if(headerMap!=null && !headerMap.isEmpty()){
                 for(String header:headerMap.keySet()){
                	 httpPost.addHeader(header, headerMap.get(header));
                 }
             }
             
             StringEntity stringEntity = new StringEntity(json.toString(),"UTF-8");//解决中文乱码问题
             stringEntity.setContentEncoding("UTF-8");
             stringEntity.setContentType("application/json");
             httpPost.setEntity(stringEntity);
             response = httpClient.execute(httpPost);
             HttpEntity entity = response.getEntity();
             System.out.println(response.getStatusLine().getStatusCode());
             httpStr = EntityUtils.toString(entity, "UTF-8");
         } catch (IOException e) {
             e.printStackTrace();
         } finally {
             if (response != null) {
                 try {
                     EntityUtils.consume(response.getEntity());
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
         }
         return httpStr;
    }
    
    /**
     * 发送 POST 请求（HTTP），JSON形式
     * @param apiUrl
     * @param json json对象
     * @return
     */
    public static String doPost(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(),"UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            System.out.println(response.getStatusLine().getStatusCode());
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }
    
    public static String doPutSSL(String apiUrl, Map<String, String> headerMap, Map<String, Object> params) {
        //CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
    	CloseableHttpClient httpClient = HttpClients.createDefault();
    	HttpPut httpPut = new HttpPut(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
        	httpPut.setConfig(requestConfig);
            if(headerMap!=null && !headerMap.isEmpty()){
                for(String header:headerMap.keySet()){
                	httpPut.addHeader(header, headerMap.get(header));
                }
            }
            
            if(params != null && !params.isEmpty()){
            	 List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
                 for (Map.Entry<String, Object> entry : params.entrySet()) {
                     NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                             .getValue().toString());
                     pairList.add(pair);
                 }
                 httpPut.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
            	
            }
           
            response = httpClient.execute(httpPut);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 SSL POST 请求（HTTPS），K-V形式
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPostSSL(String apiUrl, Map<String, String> headerMap, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            if(headerMap!=null && !headerMap.isEmpty()){
                for(String header:headerMap.keySet()){
                    httpPost.addHeader(header, headerMap.get(header));
                }
            }
            List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }
    
    
    /**
     * 发送 SSL POST 请求（HTTPS），JSON形式
     * @param apiUrl API接口URL
     * @param json JSON对象
     * @return
     */
    public static String doPostCloseableHttpSSL(String apiUrl,Map<String, String> headerMap,String reqBody) {
        CloseableHttpClient httpClient = SslHttpClientBuild();
        HttpPost httpPost = new HttpPost(apiUrl);
        if(headerMap!=null && !headerMap.isEmpty()){
            for(String header:headerMap.keySet()){
                httpPost.addHeader(header, headerMap.get(header));
            }
        }
        CloseableHttpResponse response = null;
        String httpStr = null;
        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(reqBody,"UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
//            stringEntity.setContentType("application/xml");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            System.out.println("执行状态码 : " + statusCode);
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                    httpPost.releaseConnection();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }
    
    
    
    /**
     * 发送 SSL POST 请求（HTTPS），JSON形式
     * @param apiUrl API接口URL
     * @param json JSON对象
     * @return
     */
    public static String doPostSSL(String apiUrl,Map<String, String> headerMap,String reqBody) {
        CloseableHttpClient httpClient = SslHttpClientBuild();
        HttpPost httpPost = new HttpPost(apiUrl);
        if(headerMap!=null && !headerMap.isEmpty()){
            for(String header:headerMap.keySet()){
                httpPost.addHeader(header, headerMap.get(header));
            }
        }
        CloseableHttpResponse response = null;
        String httpStr = null;
        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(reqBody,"UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
//            stringEntity.setContentType("application/xml");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            System.out.println("执行状态码 : " + statusCode);
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                    httpPost.releaseConnection();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 SSL POST 请求（HTTPS），JSON形式
     * @param apiUrl API接口URL
     * @param json JSON对象
     * @return
     */
    public static String doPostSSL(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(),"UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 创建SSL安全连接
     *
     * @return
     */
    private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
        SSLConnectionSocketFactory sslsf = null;
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {

                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            }).build();
            sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {

                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }

                @Override
                public void verify(String host, SSLSocket ssl) throws IOException {
                }

                @Override
                public void verify(String host, X509Certificate cert) throws SSLException {
                }

                @Override
                public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException {
                }
            });
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        }
        return sslsf;
    }
    
    
    public static CloseableHttpClient SslHttpClientBuild() {  
        Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.INSTANCE).register("https", trustAllHttpsCertificates()).build();  
        //创建ConnectionManager，添加Connection配置信息  
        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);  
        CloseableHttpClient httpClient = HttpClients.custom().setConnectionManager(connectionManager).build();  
        return httpClient;  
    }  
      
    private static SSLConnectionSocketFactory trustAllHttpsCertificates() {  
        SSLConnectionSocketFactory socketFactory = null;  
        TrustManager[] trustAllCerts = new TrustManager[1];  
        TrustManager tm = new miTM();  
        trustAllCerts[0] = tm;  
        SSLContext sc = null;  
        try {  
            sc = SSLContext.getInstance("TLS");//sc = SSLContext.getInstance("TLS")  
            sc.init(null, trustAllCerts, null);  
            socketFactory = new SSLConnectionSocketFactory(sc, NoopHostnameVerifier.INSTANCE);  
            //HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());  
        } catch (NoSuchAlgorithmException e) {  
            e.printStackTrace();  
        } catch (KeyManagementException e) {  
            e.printStackTrace();  
        }  
        return socketFactory;  
    }  
      
    static class miTM implements TrustManager, X509TrustManager {  
          
        public X509Certificate[] getAcceptedIssuers() {  
            return null;  
        }  
          
        public void checkServerTrusted(X509Certificate[] certs, String authType) {  
            //don't check  
        }  
          
        public void checkClientTrusted(X509Certificate[] certs, String authType) {  
            //don't check  
        }  
    }  

}
